f(x)'s Amber, Luna, and Krystal snapped an amusing photo at the practice room

Having while practicing, here are f(x)'s Amber, Luna, and Krystal who snapped an amusing photo inside the practice room.

Showcasing different poses, you can check out their picture with one of their choreographers below~

"Practice #smtownjapan"

♥ More of Amber's updates here

Credits:
Amber,Luna's Instagram